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Other Intangible Assets - Schedule of Other Intangible Assets (Detail) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Intangible Assets Net Excluding Goodwill [Abstract]    
Customer relationships $ 191.4 $ 191.0
Noncompete agreements 28.2 33.8
Trademarks 70.6 70.6
Internal-use software licenses 16.5 24.0
Patents 2.8 2.8
Finite-lived intangible assets, gross 309.5 322.2
Accumulated amortization (172.6) (145.3)
Finite-lived intangible assets, net 136.9 176.9
Licenses 16.9 16.9
Other intangibles assets, net $ 153.8 $ 193.8